156632438040 has 96 divisors (see below), whose sum is σ = 508823784720. Its totient is φ = 38555672064.

The previous prime is 156632438029. The next prime is 156632438057. The reversal of 156632438040 is 40834236651.

It is a junction number, because it is equal to n+sod(n) for n = 156632437983 and 156632438001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3841467 + ... + 3882026.

Almost surely, 2^156632438040 is an apocalyptic number.

156632438040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156632438040 is an abundant number, since it is smaller than the sum of its proper divisors (352191346680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156632438040 is a wasteful number, since it uses less digits than its factorization.

156632438040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723533 (or 7723516 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 156632438040 in words is "one hundred fifty-six billion, six hundred thirty-two million, four hundred thirty-eight thousand, forty".